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Home >> Lexus >> 2023 >> ES 350 Base >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) (Except Hybrid) - Diagnostic Codes (2 Of 2) & Symptom Tests >> LIGHTING SYSTEM (for Gasoline Model) >> DTC B2451: Variation Code not Written [06/2018 - ] >> Description

DTC B2451: Variation Code not Written [06/2018 - ]: Description

The headlight ECU sub-assembly LH stores this DTC if the vehicle specifications have not been stored.

FOR LED TYPE TURN SIGNAL LIGHT

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B2451 Variation Code not Written Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. Vehicle specifications have not been stored

Malfunction duration: 
  1. -
 Headlight ECU sub-assembly LH AFS
FOR BULB TYPE TURN SIGNAL LIGHT

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B2451 Variation Code not Written Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. Vehicle specifications have not been stored

Malfunction duration: 
  1. -
 Headlight ECU sub-assembly LH HL AutoLeveling
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